any bivalve mollusk of the genus Cardium, having somewhat heart-shaped, radially ribbed valves, esp. C. edule, the common edible species of Europe.

any of various allied or similar mollusks.

cockleshell ( defs. 1, 2 ) .

a wrinkle; pucker

a cockle in fabric.

a small, crisp candy of sugar and flour, bearing a motto.

to contract into wrinkles; pucker

This paper cockles easily.

to rise in short, irregular waves; ripple

The waves cockled along the shore.

to cause to wrinkle, pucker, or ripple

The wind cockled the water.

cockles of one's heart

the depths of one's emotions or feelings

The happy family scene warmed the cockles of his heart.

noun

bivalve , mollusk , pucker , ripple , shell , wrinkle